<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>When I invoke raco from the command line, it throws the warning:</div><div><br></div><div><div style="margin: 0px; font-size: 14px; font-family: 'Triplicate T3 Code Tall';"></div></div><blockquote type="cite"><div><div style="margin: 0px; font-size: 14px; font-family: 'Triplicate T3 Code Tall';">warning: tool "pollen" registered twice: "pollen" and #<path:/path/to/pollen></div></div></blockquote><div><br></div><div><br></div><div>This error also appeared on racket-dev in Jul 2013. At that time Matthew Flatt said:</div><div><blockquote type="cite"><pre style="background-color: rgb(255, 255, 255); position: static; z-index: auto;">I changed `raco setup' to use relative paths for the info-domain cache, but not to prune away the old absolute paths. For now, you can delete "racket/lib/info-cache.rktd", and I'll work on a repair to `raco setup'. </pre></blockquote><div></div></div><div><br></div><div>But though I've tried deleting <span style="background-color: rgb(255, 255, 255);">info-cache.rktd, the warning eventually returns.</span></div><div><span style="background-color: rgb(255, 255, 255);"><br></span></div><div><span style="background-color: rgb(255, 255, 255);">The problem doesn't surface with other packages. It doesn't seem to affect how anything works.</span></div><div><span style="background-color: rgb(255, 255, 255);"><br></span></div><div><span style="background-color: rgb(255, 255, 255);">It also might be a bug in this particular package, though I'm not clear how a package can mess with raco's registration scheme.<br></span></div><div><span style="background-color: rgb(255, 255, 255);"><br></span></div><div><span style="background-color: rgb(255, 255, 255);"><br></span></div></body></html>